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Finding the Fourth Proportional to 133,065, 183,628.13 and 75,704.22

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Solution

The fourth proportional to 133,065, 183,628.13 and 75,704.22 is: 104,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065 : 183,628.13 = 75,704.22 : x
  2. Step 2: Convert to fraction form
    133,065/183,628.13 = 75,704.22/x
  3. Step 3: Cross multiply
    133,065x = 183,628.13 × 75,704.22
  4. Step 4: Simplify right side
    133,065x = 13,901,423,973.19
  5. Step 5: Solve for x
    x = 13,901,423,973.19/133,065
  6. Step 6: Final answer
    x = 104,470.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.